Finding the Fourth Proportional to 724,599.58, 999,972.93 and 402,314.62
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Solution
The fourth proportional to 724,599.58, 999,972.93 and 402,314.62 is: 555,208.34
Step by Step Solution
- Step 1: Write the proportion equation
724,599.58 : 999,972.93 = 402,314.62 : x - Step 2: Convert to fraction form
724,599.58/999,972.93 = 402,314.62/x - Step 3: Cross multiply
724,599.58x = 999,972.93 × 402,314.62 - Step 4: Simplify right side
724,599.58x = 402,303,729,343.24 - Step 5: Solve for x
x = 402,303,729,343.24/724,599.58 - Step 6: Final answer
x = 555,208.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.